feat(mma): Scaffold mma_exec.py with basic CLI structure

scripts/mma_exec.py

@@ -0,0 +1,25 @@
+import argparse
+
+def create_parser():
+    parser = argparse.ArgumentParser(description="MMA Execution Script")
+    parser.add_argument(
+        "--role", 
+        choices=['tier1', 'tier2', 'tier3', 'tier4'], 
+        required=True, 
+        help="The tier role to execute"
+    )
+    parser.add_argument(
+        "prompt", 
+        type=str, 
+        help="The prompt for the tier"
+    )
+    return parser
+
+def main():
+    parser = create_parser()
+    args = parser.parse_args()
+    print(f"Role: {args.role}")
+    print(f"Prompt: {args.prompt}")
+
+if __name__ == "__main__":
+    main()